Senior Software Engineer – Backend CaseGuardSenior Software Engineer – BackendArlington, VA$120,000–$200,000 / yearWork closely with frontend engineers to design and deliver end-to-end features - defining API contracts, aligning on data flows, and ensuring correct system behavior across client and backend. Our team is driven by a passion for great software design, creating great products, and creative processes; CaseGuard implements innovative ideas across multiple services and agencies.
Software Engineer, Edge AI Valinor EnterprisesSoftware Engineer, Edge AIDistrict of ColumbiaOur unique model of centralized go-to-market and decentralized engineering allows us to move with unparalleled efficiency to identify unmet needs, build right-sized solutions, and get products where they matter most - in the hands of users. Unlike others in the space, who focus on the flashy problems, Valinor exists to solve the quiet, unaddressed problems-the small but significant ones that lead to cracks in the country's strength, stability, and security.
Robotic Software Engineer (Drone Stack) Applied Intuition IncRobotic Software Engineer (Drone Stack)Washington D.C., DC$125,000–$175,000 / yearCollaborate with autonomy engineers to implement service-oriented-architecture software and inter-process messaging systems for autonomous UASsCollaborate with DoD warfighter domain experts and 3rd party UAS vehicle vendors to develop and integrate autonomy software onto OEM hardware. You will collaborate closely with cross-functional teams to deliver robust, scalable solutions for defense and commercial customers, providing seamless hardware-software integration, troubleshooting, and customer-facing demonstrations.
NewSoftware Engineer (Drone Stack) Applied Intuition IncSoftware Engineer (Drone Stack)Washington, DCWork alongside autonomy engineers to marry autonomy software with vehicle hardware - achieving full integration with aircraft autopilots, datalinks, sensor payloads, PNT/GPS/INS, and ground control stations - and to build service-oriented-architecture software and inter-process messaging frameworks for autonomous UAS. Hands-on integration of robotics or autonomy products with Pixhawk-family autopilots (ArduPilot and/or PX4), plus working knowledge of common communication buses and protocols: UART/RS232/RS422/RS485, SPI/QSPI, I2C, and Ethernet.
Sr Software Engineer - 90404987 (Washington, DC, US, 20001) AmtrakSr Software Engineer - 90404987 (Washington, DC, US, 20001)Washington, DC$86,500–$111,996 / hourOur values of ‘Do the Right Thing, Excel Together and Put Customers First’ are at the heart of what matters most to us, and our Core Capabilities, ‘Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security’ are what every employee needs to know and do to be most impactful at Amtrak. Amtrak may offer additional incentive and pay programs to recognize and reward our employees, including a short-term incentive bonus based upon factors such as individual and company performance that is commensurate with the level of the position and/or long-term incentive plan compensation.
US Military Skillbridge Internship (Software Engineer)_Arlington, VA Black CapeUS Military Skillbridge Internship (Software Engineer)_Arlington, VAArlington, VARemoteTechnical degrees are preferred (e.g., Computer Science, Electrical Engineering, Mechanical Engineering, Mathematics, Physics, Computer Information Systems, etc.).We know this is a Skillbridge internship program that bridges the gap from your military training to practical application in the civilian technical world, but we have found that candidates with three to six months (or more) of technical experience usually thrive best in our program. This company model combines lessons learned from developing and deploying multiple applications to production on JWICS and Amazon Web Services (AWS) with commercial best practices in DevOps and Agile development.
Software Engineer in Deployment - JobID-0241 Innovative Defense TechnologiesSoftware Engineer in Deployment - JobID-0241Arlington, Virginia$135,000–$273,000 / yearWho You Are (Required): Bachelor’s Degree in Information Technology, Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, Physics, or Math, or equivalent full-time professional experience; Master’s Degree in Engineering or other technical field highly desired. Manage, mentor, and lead a small team of engineers working operational and development tasks while championing the use of AI to streamline the team’s workflow, incorporating AI-driven approaches to optimize automation and reduce the complexity of installations.
Cyber Platforms Software Engineer, Lead Booz Allen Hamilton Inc.Cyber Platforms Software Engineer, LeadAnnapolis Junction, MD$112,800–$257,000 / yearAs a lead Software Engineer, you'll work across production systems used by operators, analysts, and cyber experts today, while also leading the design and development of new capabilities from early technical concept to deployed product. 2+ years of experience leading technical delivery for a feature, service, product area, or engineering workstream, including breaking down work, coordinating with other engineers, and driving execution.
Associate Software Engineer Johns Hopkins Applied Physics LaboratoryAssociate Software EngineerLaurel, MarylandFull timeAre well-versed in using professional software development tools such as integrated development environments (IDE), version control, issue trackers, debuggers and continuous integration tools and willing to lead teams through integration processes. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
M365 Engineer LeidosM365 EngineerBethesda, MD$107,900–$195,050Engineer, administer, and provide lifecycle support for Microsoft 365 (government community cloud (GCC) services including but not limited to: Entra ID (Azure AD), Exchange Online, Intune, Teams, Power Platform, Purview. Leidos Dig Mod Health IT division is seeking a skilled and collaborative M365 Engineer to support the HHS enterprise by managing all aspects of Microsoft 365 Government Community Cloud (GCC) Software as a Service (SAAS) offering.
Systems Integration Engineer LeidosSystems Integration EngineerMount Airy, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 25, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Senior Network Engineer LeidosSenior Network EngineerAccokeek, MD$107,900–$195,050The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Principal‑Level Software Engineer (Java, Python) IDS InternationalPrincipal‑Level Software Engineer (Java, Python)Annapolis Junction, MD$155,000–$175,000 / yearWork directly with data scientists and mission analysts to solve complex strategic problems• Perform end‑to‑end software engineering to prototype, develop, integrate, test, and deploy analytic tools• Integrate tools and tradecraft into customer corporate architectures• Support the operationalization of data science solutions at scale. The engineer will work closely with data scientists and end users to develop analytic tools that support discovery and tradecraft around critical global challenges and operationalize data science within customer environments.
Software Engineer Hire HangarSoftware EngineerColumbia, MarylandKey Responsibilities: - Design, build, and maintain backend services that interface with graph databases to model and query complex relationship data- Develop and maintain real-time data ingestion pipelines handling high-throughput social and web data- Build and optimize web scraping and crawler infrastructure to support continuous data collection- Develop front-end features and dashboards that visualize network and relationship data in an intuitive, performant way- Collaborate cross-functionally to translate product requirements into scalable technical solutions- Write clean, maintainable, well-tested code across the stack- Troubleshoot performance bottlenecks across data ingestion, storage, and visualization layers. Preferred Qualifications: - Experience with data visualization libraries such as D3, Cytoscape, Sigma.js, vis.js, or Recharts, particularly for graph/network visualizations- Experience with social listening, social media data, or large-scale web data platforms- Familiarity with Elasticsearch, OpenSearch, Redis, or Airflow- Prior experience at a seed-to-Series B startup- Experience with AWS, GCP, Docker, or Kubernetes.
Principal Software Engineer Ts/Sci Polygraph Leidos Holdings Inc.Principal Software Engineer Ts/Sci PolygraphHanover, MD$154,050–$278,475 / yearOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
NewSoftware Engineer - Early Career - Cloud CACISoftware Engineer - Early Career - CloudHanover, Maryland$58,000–$115,900 / yearPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Job Title: Software Engineer- Early Career- CloudJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity:
Data Science Software Engineer SwiftData Science Software EngineerAnnapolis JunctionDetermination of official compensation or salary relies on several different factors including, but not limited to: level of position, complexity of job responsibilities, geographic location, work experience, education, certifications, Federal Government contract labor categories, and contract wage rates. This role will focus on creating automated approaches to streamline compliance processes, enhancing existing capabilities, and researching, integrating, and validating Machine Learning (ML) and Artificial Intelligence (AI) solutions within an R&D environment.
Software Engineer (Java, OpenFGA) Agile DefenseSoftware Engineer (Java, OpenFGA)Rosslyn, VirginiaFamiliarity with frameworks and tools like Django, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, and LiteLLM will be highly advantageous as you design and implement scalable, observable, and secure solutions. You will be responsible for building and maintaining microservices that integrate seamlessly with cloud-native platforms, ensuring continuous monitoring and high reliability across all operational workflows.
Splunk Software Engineer CACISplunk Software EngineerFort Meade, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. You’ll collaborate with talented users and engineers, shape scalable data insights, and help drive secure, efficient, and highly available Splunk environments across the enterprise.
Manager, Cloud Engineering LennarManager, Cloud EngineeringWaterford, FloridaLennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career. Own the strategic roadmap for Lennar’s Spotify Portal, the internal developer platform every engineering team uses to scaffold, catalog, and operate their services; prioritize investments in templates, plugins, and platform capabilities that reduce friction and accelerate delivery across the organization.